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Litrospheres

A new kind of glow-in-the-dark material that keeps emitting light for 12 years.

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No energy or sunlight required. Imagine the cost-savings at raves alone!

Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.